package com.koomii.common.util;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

/**
 * Created with IntelliJ IDEA.
 * User: Greey
 * Date: 15-1-7
 * Time: 下午5:07
 * To change this template use File | Settings | File Templates.
 */
public class PinYinUtil {
    private final static Logger log = LogManager.getLogger(PinYinUtil.class);
    /**
     * 将汉字转换为全拼
     *
     * @param src
     * @return String
     */
    public static String getPinYin(String src) {
        if(StringUtils.isEmpty(src)){
            return "";
        }
        char[] t1 = null;
        t1 = src.toCharArray();
        // System.out.println(t1.length);
        String[] t2 = new String[t1.length];
        // System.out.println(t2.length);
        // 设置汉字拼音输出的格式
        HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
        t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        t3.setVCharType(HanyuPinyinVCharType.WITH_V);
        String t4 = "";
        int t0 = t1.length;
        try {
            for (int i = 0; i < t0; i++) {
                // 判断能否为汉字字符
                // System.out.println(t1[i]);
                if (Character.toString(t1[i]).matches("[\\u4E00-\\u9FA5]+")) {
                    t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);// 将汉字的几种全拼都存到t2数组中
                    t4 += t2[0];// 取出该汉字全拼的第一种读音并连接到字符串t4后
                } else {
                    // 如果不是汉字字符，间接取出字符并连接到字符串t4后
                    t4 += Character.toString(t1[i]);
                }
            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            log.error("getPinYin failed",e);
        }
        return t4;
    }

    /**
     * 提取每个汉字的首字母
     *
     * @param str
     * @return String
     */
    public static String getPinYinHeadChar(String str) {
        if(StringUtils.isEmpty(str)){
            return "";
        }
        String convert = "";
        try {
            for (int j = 0; j < str.length(); j++) {
                char word = str.charAt(j);
                // 提取汉字的首字母
                String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
                if (pinyinArray != null) {
                    convert += pinyinArray[0].charAt(0);
                } else {
                    convert += word;
                }
            }
        } catch (Exception e) {
            log.error("getPinYinHeadChar failed", e);
        }
        return convert;
    }

    /**
     * 将字符串转换成ASCII码
     *
     * @param cnStr
     * @return String
     */
    public static String getCnASCII(String cnStr) {
        if(StringUtils.isEmpty(cnStr)){
            return "";
        }
        StringBuffer strBuf = new StringBuffer();
        // 将字符串转换成字节序列
        byte[] bGBK = cnStr.getBytes();
        try {
            for (int i = 0; i < bGBK.length; i++) {
                // System.out.println(Integer.toHexString(bGBK[i] & 0xff));
                // 将每个字符转换成ASCII码
                strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
            }
        } catch (Exception e) {
            log.error("getCnASCII failed",e);
        }
        return strBuf.toString();
    }
    public static void main(String[] args) {
        String cnStr = "将每个字符转换成ASCII码";
        System.out.println(getPinYin(cnStr));
        System.out.println(getPinYinHeadChar(cnStr));
        System.out.println(getCnASCII(cnStr));
    }
}

